Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8026156 | Method of fabricating nitride-based compound layer, GaN substrate and vertical structure nitride-based semiconductor light emitting device | Soo Min Lee, Cheol Kyu Kim, Sung-Hwan JANG, Masayoshi Koike | 2011-09-27 |
| 7943492 | Method of forming nitride film and nitride structure | Hyung Soo Ahn, MIN YANG, Masayoshi Koike | 2011-05-17 |
| 7569461 | Method of fabricating nitride-based compound layer, GaN substrate and vertical structure nitride-based semiconductor light emitting device | Soo Min Lee, Cheol Kyu Kim, Sung-Hwan JANG, Masayoshi Koike | 2009-08-04 |